MIL-STD-2191, DEPARTMENT OF DEFENSE STANDARD PRACTICE: REPAIR WELDING, WELD CLADDING, STRAIGHTENING, AND COLD ROLLING OR MAIN PROPULSION SHAFTING (05 NOV 1992) [SUPERSEDING NAVSEA 0900-LP-014-1010]., This standard contains minimum requirements for weld cladding, repair welding, mechanical straightening, and cold rolling of new and refurbished main propulsion shafting and for repair welding of rudder stocks for ships of the U.S. Navy.